Sudoku by ThinkFun is a popular game of logic and reasoning, with bright colors, magnetic game pieces and shorter challenges, it’s easy to take this irresistible game along for the ride. Players can't resist this addictive strategy challenge, and now this travel size makes it even easier for the whole family to enjoy. Just like the traditional game, Sudoku 5X5 play begins with several given numbers. Players must fill in the rest of the grid, but there’s a catch - each row, column and color-coded region can only contain one instance of each number! Features: 48 challenges ranging from Beginner to Expert with solutions included 25 color and numbered magnetic tokens, self-contained travel and storage box. Ages 8 and up, single player